OBJECTIVE To explore the effective methods for medical personnel preventing and controlling the infection of HIV after occupational exposure. METHODS The 7 cases contacted the AIDS patients had been analyzed and a set of institutions and monitoring methods were established. RESULTS Because of the emergency measures,the 7 medical personnels hadn′t infected HIV for the 2 follow-up years. CONCLUSIONS To think highly of the safety education of occupational exposure and enhance the monitoring and management of HIV infection can decrease the occupational exposure rate and ensure the occupational safety of medical personnels.

[Summary] Data from 1 589 consecutive inpatients with type 2 diabetes mellitus from January 2012 to March 2015 were collected. The patients were divided into five groups according to the quintile of HbA1C . The association between serum uric acid ( SUA) and HbA1C was tested using a general linear model after adjusting for age, body mass index ( BMI) , systolic blood pressure, and creatinine. Linear regression analysis was used to analyze the association between SUA and HbA1C in patients with HbA1C<9. 0% and HbA1C≥9. 0%, respectively. The results showed that BMI, waist circumference, triglycerides, and the incidence of fatty liver were elevated with increased serum uric acid level. SUA was negatively associated with HbA1C level in inpatients with type 2 diabetes. However, SUA should be measured after glycemic control in men with HbA1C≥7. 0% and women with HbA1C≥9. 0%.

OBJECTIVEThe content of vindoline, catharanthine and vinblastine in the root, stem, leaf, flower and fruit of Catharanthus roseus at various developmental stages were determined, and the biomass allocation was also determined to find the best harvest time.

METHODThe content of vindoline, catharanthine and vinblastine in the root, stem, leaf, flower and fruit of C. roseus were determined by HPLC.

RESULTThe content of these alkaloids were influenced by season and it varied in the different tissues of the plant. The content of vindoline and catharanthine in the leaves were the highest, and there was no vindoline detected in the root, but the content of vinblastine in the flower was the highest; the content of vindoline and catharanthine reached the maximum between the August and September, and the content of vinblastine reached the highest after the September. The biomass was the highest in the initial stage of September.

CONCLUSIONThe best harvest time was in the initial stage of September.

Catharanthus ; chemistry ; growth & development ; metabolism ; China ; Chromatography, High Pressure Liquid ; Flowers ; chemistry ; growth & development ; metabolism ; Plant Extracts ; analysis ; metabolism ; Plant Leaves ; chemistry ; growth & development ; metabolism ; Plant Roots ; chemistry ; growth & development ; metabolism ; Seasons ; Vinblastine ; analogs & derivatives ; analysis ; metabolism ; Vinca Alkaloids ; analysis ; metabolism

Objective: To analyze the relationship between dormitory environment and respiratory tract infection among college students. Methods: A total of 890 dormitory rooms and 1 727 college students were investigated on symptoms including cough, hemoptysis and dyspnea or chest pain, as well as room sanitation(wet stain, mildew, damp, water loss and suspicious windows condensate), cleaning frequency and resident population. The data were analyzed by descriptive statistics, correlation analysis and Logistic regression analysis by SPSS. Results: 63.0% of the school dorms were found of dampness, mustiness and water loss, 67.3% of students had the subjective perception of odor. Except for the dryness of air, the rate of subjective perception of odor of the damp dorms was higher than that of dry dorms, and the differences were of statistical significance(P<0.01). Factors such as sex, age, dorm orientation, bathroom equipment, were partially related to symptoms of students’ self-perception and diseases confirmed by the doctors(P<0.05). High humidity were significantly related to symptoms including cough, expectoration, dyspnea, asthma and bronchiectasia(P<0.05), while subjective perception of odor associated with risk of respiratory infections and symptoms. Conclusion Multipe dormitory evvironmental problems may cause respiratory tract infection and symptoms of college students, dorm sanitation should be promoted among college students.

Objective To observe the effect of elemene injection for the maintenance treatment of malignant pleural effusion.Methods A total of 90 patients with malignant pleural effusion from May 2014 to Apirl 2016 in First Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine were collected.They were divided into observation group (n =45) and control group (n =45) according to the random number table method.The patients of the two groups were treated with pleural effusion drainage through thoracocentesis,and Mannatide (Lifein) and carboplatin were poured.The observation group sequentially received maintenance treatment of elemene injection.The therapeutic effects of the two groups were compared.Results At the 12th month after treatment,the difference of relapse rate between the two groups was statistically significant(82.2％ vs.100.0％,x2 =8.780,P =0.003).The median progression-free survival (95％ CI) of the observation group and the control group were 10.00 (9.15-10.85) months and 6.00(4.74-7.26) months respectively,with a significant difference (x2 =40.475,P ＜ 0.001).The improvement rates of life quality of the observation group were 82.22％,57.78％,54.55％ respectively at one,six,twelve months after perfusion treatment,and the improvement rates of the control group were 84.44％,23.26％,0 respectively.The data differences between the two groups were statistically significant at six,twelve months (x2 =10.840,P =0.001;x2 =32.390,P ＜ 0.001).The one year survival rates of the observation group and the control group were 97.78％ and 95.56％,and the difference was statistically significant (P =1.000).Conclusion The effect of elemene injection for the maintenance treatment of malignant pleural effusion is obvious,which can prolong the progression-free survival time and can significantly improve the quality of life.

Objective To investigate the impact of motilin(MTL), neurotensin(NT)and nitric oxide synthase(NOS)on Oddi sphincter(SO)motion after cholecystectomy. Methods Oddi sphincter manometry(SOM)was performed on both Guinea pig model group(cholecystectomy)and control group (laparotomy)12 weeks after operation. Sphincter of Oddi dysfunction(SOD)group was determined by receiver operating characteristic(ROC)curve analysis and area under curve(AUC). Protein expression of MTL, NT and NOS in SO was also detected through integral optical density method. Meanwhile,the contents of MTL and NT in patients′ plasma of both SOD group(SO pressure> 40 mmHg)and control group were compared. Results AUC of 0.75 and SO pressure of more than 29.8 mmHg was determined as the standard of SOD group.MTL and NT contents(193.16±29.2 pg/mL and 104.57±19.52 pg/mL,respectively)of the model group(n=10)in plasma were significant higher than those of control group(n=11)(154.24 ± 27.69 pg/mL and 79.65±11.24 pg/mL,respectively),and same trend of MTL and NT protein expression in SO was detected(3 556.71±455.80 and 6 321.74±203.54 of the model group;3 075.92±350.06 and 5 843.57±344.00 of the control group).While NOS protein expression in model group was lower than that of the control group(2 954.21± 173.54 VS 3 314.91± 246.67, P<0.05). In clinical research, the plasma contents of MTL(350.98 ± 24.31 pg/mL VS 319.56 ± 23.54 pg/mL)and NT(102.39 ± 19.56 pg/mL VS 80.45±12.35 pg/mL)in SOD group(n=15)were higher than those of the control group(n=15)(P<0.05). Conclusion MTL and NT contents in plasma and protein expression of MTL, NT and NOS in SO may be related to SOD. MTL and NT examinations may assist diagnosing SOD after cholecystectomy.

Objective:To analyze and explore the possible mechanism of anti-tumor metastasis of Notoginseng Radix et Rhizoma using Internet pharmacology. Methods:The active components and targets of Notoginseng Radix et Rhizoma were screened by retrieving Chinese Medicine System Pharmacology Database and Analysis Platform (TCMSP). GeneCards database was used to screen the anti-tumor metastasis-related targets, and compounds and disease targets were under mapping analysis. Key targets of Notoginseng Radix et Rhizoma for anti-tumor metastasis were screened through Venn map. With the help of Cytoscape 3.7.2 software, a compound-disease network diagram was constructed. String platform was used to build a PPI network. Bioconductor was used to enrich the target genes for KEGG signaling pathway and GO biological process analysis. Results:Totally 119 active components were selected from Notoginseng Radix et Rhizoma. There were 8 eligible active components, corresponding to 162 related targets, 121 targets related to anti-tumor metastasis, and 30 key targets screened by PPI network, including AKT1, MAPK1, JUN, RELA, IL6, etc. GO enrichment analysis mainly involved biological processes such as cytokine receptor binding, heme binding, RNA polymerase Ⅱ transcription factor binding, ubiquitin protein ligase binding, and steroid hormone receptor activity. 149 signal pathways related to Notoginseng Radix et Rhizoma anti-tumor metastasis were obtained by KEGG enrichment analysis, mainly involving multiple signal pathways, such as AGE-RAGE and PI3K-Akt, and hepatitis B, Kaposi's sarcoma-associated herpes virus infection, human cytomegalovirus infection and other viral infections and various tumors. Conclusion:Notoginseng Radix et Rhizoma can pass multiple active components, such as ginsenoside f2, ginsenoside rh2 β-, sitosterol, stigmasterol and quercetin, and multiple targets, such as AKT1, MAPK1, JUN, RELA and IL6, acting on multiple pathways such as PI3K-Akt, thereby playing the role of anti-tumor metastasis.

Objective:To study the epidemiological characteristics and spatio-temporal aggregation of hemorrhagic fever with renal syndrome (HFRS) in Shandong Province, and to provide reference for formulating reasonable prevention and control strategies.Methods:Retrospective analysis was used to collect HFRS surveillance data and confirmed case data in Shandong Province from 2017 to 2020 in the "China Disease Prevention and Control Information System Infectious Disease Surveillance System". Geoda 1.18 software was used for global and local spatial autocorrelation analysis, SaTScan 9.6 software was used for spatio-temporal scanning analysis, and ArcGis 10.7 software was used for map drawing and visual display.Results:A total of 3 753 cases of HFRS were reported in Shandong Province from 2017 to 2020, including 56 deaths. The annual incidence rate was 1.26/100 000, 1.22/100 000, 0.75/100 000 and 0.53/100 000, respectively, with an average annual incidence rate of 0.94/100 000. The incidence of HFRS was obviously seasonal, mainly concentrated in autumn and winter from October to December, accounting for 50.41% (1 892/3 753). The age of onset was mainly 30-59 years old, accounting for 61.68% (2 315/3 753). The male to female ratio was 2.76 ∶ 1.00 (2 756 ∶ 997). The occupation distribution was mainly farmers, accounting for 81.99% (3 077/3 753). The global spatial autocorrelation analysis showed that HFRS showed spatial aggregation areas in each year from 2017 to 2020 (Moran' I = 0.38, 0.33, 0.59, 0.46, Z = 7.47, 7.23, 10.69, 8.66, P < 0.001). The local spatial autocorrelation analysis showed that "high-high" aggregation areas were mainly concentrated in central and southeast of Shandong Province, while "low-low" aggregation areas were mainly concentrated in northwest of Shandong Province. Spatio-temporal scanning analysis revealed 1 type Ⅰ agglomerations and 2 type Ⅱ aggregation areas. The type Ⅰ aggregation areas occurred from October to November 2018, covering 22 counties (districts) of 5 cities in Qingdao, Yantai, Weifang, Weihai and Rizhao. The first type Ⅱ aggregation area occurred from October to November 2017, involving 23 counties (districts) of 8 cities in Jinan, Zibo, Zaozhuang, Weifang, Jining, Tai 'an, Rizhao and Linyi. The second type Ⅱ aggregation area occurred in Jinxiang County, Jining City from February to March 2017. Conclusion:The incidence of HFRS in Shandong Province from 2017 to 2020 has obvious spatio-temporal aggregation, and the hot spots are concentrated in central and southeast of Shandong Province, which should be regarded as a key area for prevention and control of HFRS.

Objective To compare the therapeutic effects between three-dimensional conformal radiotherapy (3DCRT) and intensity-modulated radiotherapy (IMRT) in patients with stage Ⅱ/Ⅲ esophageal cancer and investigate the prognostic factors.Methods Medical record of 2 132 patients with stage Ⅱ/Ⅲ esophageal cancer who underwent definitive radiotherapy with/without chemotherapy in 10 hospitals from January 2002 to December 2016 from were retrospectively analyzed.Among these patients,37.9％ of them were aged ≥ 70 years,33.9％ with neck and upper esophageal tumors and 66.1％ with middle and lower esophageal and borderline tumors.The median gross tumor volume (GTV) and lymph node gross tumor volume (GTVnd) was 41.6 cm3.Among them,32％ were stage Ⅱ] and 68％ were stage Ⅲ.A total of 723 patients received 3DCRT and 1 409 cases received IMRT.Patients received an equivalent dose in 2 Gy (EQD2) ≥ 60 Gy accounted for 86.1％,and 41.1％ of them received concurrent chemoradiotherapy.Results The median follow-up time was 60.8 months.The 1-,3-and 5-year overall survival (OS) of all patients was 73.9％,41.7％ and 32.6％,and the 1-,3-and 5-year progression-free survival (PFS) was 62.2％,37.3％ and 32％,respectively.Multivariate analysis demonstrated that age,primary tumor location,clinical stage,tumor target volume,EQD2 and concurrent chemoradiotherapy were the independent prognostic factors for OS.Age,primary tumor location,clinical stage,tumor target volume and EQD2 were the independent prognostic factors for PFS.The OS and PFS did not significantly differ among the low-risk,low-/moderate-risk,moderate-/high-risk and high-risk groups according to age≥70 years,tumor diameter＞5 cm,tumor volume ≥41.6 cm3 and stage Ⅲ (P＜0.001).After the propensity score matching (PSM) method,neither 3DCRT nor IMRT yielded significant advantages in OS or PFS (P=0.971;P=0.658).However,IMRT tended to yield survival benefits in low-risk patients (P=0.125).Conclusions Both 3DCRT and IMRT yield relatively high OS rate in patients with stage Ⅱ/Ⅲ esophageal cancer.The prognosis model established in this investigation can properly predict the survival of patients.Low-risk patients tend to obtain survival benefits from IMRT.

Objective To retrospectively analyze the effect of tumor length on the prognosis in stage Ⅱ/Ⅲ esophageal squamous cell carcinoma (ESCC) patients treated with definitive radiotherapy and to evaluate the role of tumor length in clinical stage for non-operative ESCC patients.Methods The data of 2 086 ESCC patients who were treated with definitive radiotherapy from 2002 to 2016 in 10 hospitals (3JECROG) were analyzed.The effect of tumor length on overall survival (OS) was analyzed and stratified analysis of tumor length was done in different stages of ESCC.Results The median OS and median progression-free survival (PFS) time of the whole group were 25.6 months and 18.2 months respectively.The Cox multivariate analysis showed that treatment moda,aga,alinical stage and tumor length were independent prognostic factors.The median,1-,3-,and 5-year OS were 28.9 months,77.3％,45.0％,and 36.3％ versus 21.9 months,69.9％,37.9％,and 28.1％ for patients with ≤ 5 cm and patients ＞ 5 cm respectively (P＜0.05).For stage Ⅱ patienta,abe median OS were 42.1 and 38.9 months respectively in ≤ 5 cm group and＞5 cm group (P=0.303).And for stage Ⅲ patienta,abe median OS were 23.9 and 19.3 months respectively in ≤5 cm group and＞5 cm group (P＜0.001).The median OS with N1was 24.1 and 18.4 montha,aespectively in ≤5 cm group and＞5 cm group (P＜0.001).Conclusions The tumor length was an independent prognostic factor for stage Ⅱ/Ⅲ patients treated definitive radiotherapy.The tumor length may be helpful in clinical staging of ESCa,aspecially for stage Ⅲ and N1.